mirror of
https://github.com/DanielBroad/AVCSniffer
synced 2025-06-07 07:56:29 +00:00
146 lines
3.7 KiB
C
Executable File
146 lines
3.7 KiB
C
Executable File
/*
|
|
Copyright (C) 2006 Marcin Slonicki <marcin@softservice.com.pl>.
|
|
|
|
This program is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU General Public License
|
|
as published by the Free Software Foundation; either version 2
|
|
of the License, or (at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software Foundation,
|
|
Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
|
|
-----------------------------------------------------------------------
|
|
this file is a part of the TOYOTA Corolla MP3 Player Project
|
|
-----------------------------------------------------------------------
|
|
http://www.softservice.com.pl/corolla/avc
|
|
*/
|
|
|
|
#include <avr/io.h>
|
|
#include <avr/signal.h>
|
|
#include "com232.h"
|
|
#include "delay.h"
|
|
//#include "buffer.h"
|
|
|
|
//static cBuffer uartTxBuffer;
|
|
//#define UART_TX_BUFFER_SIZE 0x0080
|
|
//static char uartTxData[UART_TX_BUFFER_SIZE];
|
|
|
|
//------------------------------------------------------------------------------
|
|
void RS232_Init(void)
|
|
{
|
|
// RS232_RxCharBegin = RS232_RxCharEnd = 0;
|
|
|
|
// enable RxD/TxD and interrupts
|
|
|
|
|
|
//bufferInit(&uartTxBuffer, uartTxData, UART_TX_BUFFER_SIZE);
|
|
|
|
outb(UCSRB, UART_FLAGS);
|
|
|
|
#ifdef MONITOR
|
|
{
|
|
outb(UBRRH, (u08)(UART_BAUD_SELECT>>8)); // set baud rate
|
|
outb(UBRRL, (u08)UART_BAUD_SELECT);
|
|
}
|
|
#else
|
|
{
|
|
outb(UBRRH, (u08)(UART_BAUD_SELECT_IPOD>>8)); // set baud rate
|
|
outb(UBRRL, (u08)UART_BAUD_SELECT_IPOD);
|
|
}
|
|
#endif
|
|
|
|
}
|
|
|
|
SIGNAL(SIG_UART_RECV)
|
|
{
|
|
u08 USARTstatus = UCSRA;
|
|
|
|
|
|
while ((USARTstatus & (1<<RXC)))
|
|
{
|
|
USARTstatus = UCSRA;
|
|
}
|
|
|
|
}
|
|
//------------------------------------------------------------------------------
|
|
void RS232_ActallySendByte(u08 Data)
|
|
{
|
|
while ((inb(UCSRA) & _BV(UDRE)) != _BV(UDRE)); // wait for UART to become available
|
|
outb(UDR, Data); // send character
|
|
};
|
|
|
|
void RS232_SendByte(u08 Data)
|
|
{
|
|
RS232_ActallySendByte(Data);
|
|
}
|
|
//------------------------------------------------------------------------------
|
|
void RS232_Print(u08* pBuf)
|
|
{
|
|
register u08 c;
|
|
while ((c = *pBuf++))
|
|
{
|
|
if (c == '\n')
|
|
{
|
|
RS232_SendByte('\r');
|
|
};
|
|
RS232_SendByte(c);
|
|
delay1(20);
|
|
}
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
void RS232_PrintHex4(u08 Data)
|
|
{
|
|
u08 Character = Data & 0x0f;
|
|
Character += '0';
|
|
if (Character > '9')
|
|
Character += 'A' - '0' - 10;
|
|
RS232_SendByte(Character);
|
|
}
|
|
//------------------------------------------------------------------------------
|
|
void RS232_PrintHex8(u08 Data)
|
|
{
|
|
RS232_PrintHex4(Data >> 4);
|
|
RS232_PrintHex4(Data);
|
|
}
|
|
//------------------------------------------------------------------------------
|
|
void RS232_PrintDec(u08 Data)
|
|
{
|
|
if (Data>99) {
|
|
RS232_SendByte('*');
|
|
return;
|
|
}
|
|
if (Data<10) {
|
|
RS232_SendByte('0'+Data);
|
|
return;
|
|
}
|
|
u08 c;
|
|
u16 v,v1;
|
|
v = Data;
|
|
v1 = v/10;
|
|
c = '0' + (v-v1*10);
|
|
RS232_SendByte('0'+v1);
|
|
RS232_SendByte(c);
|
|
}
|
|
//------------------------------------------------------------------------------
|
|
void RS232_PrintDec2(u08 Data)
|
|
{
|
|
if (Data<10) RS232_SendByte('0');
|
|
RS232_PrintDec(Data);
|
|
}
|
|
//------------------------------------------------------------------------------
|
|
void RS232_SendStuff()
|
|
{
|
|
if ((inb(UCSRA) & _BV(UDRE)) != _BV(UDRE)) return;
|
|
//u08 Data;
|
|
//Data = bufferGetFromFront(&uartTxBuffer);
|
|
//if (Data)
|
|
//RS232_ActallySendByte(Data);
|
|
}
|